145results about How to "Play the role of damping" patented technology

The invention discloses an inertial vibrating screen mechanism and belongs to the field of vibration screening. The mechanism comprises a rack, a screen body, a motor, springs and a connection rod mechanism; the motor is a power source and drives the connection rod mechanism to move; the connection rod mechanism is a five-rod mechanism and comprises two cranks and two connection rods, wherein the first crank and the second crank are both connected with a rack rotating pair, the two ends of the first connection rod are connected with a first crank rotating pair and a second crank rotating pair correspondingly, one end of the second connection rod, the second crank and the first connection rod are jointly connected through a rotating pair, and the other end of the second connection rod is connected with a screen body rotating pair; the screen body comprises a screen frame, a screen net and supporting frames; the two ends of each supporting frame are connected with the screen frame and the springs through bolts; the screen body is pushed by a double-crank mechanism to make reciprocating translational motion; the other ends of the springs are fixedly connected with sliders on a guiding rail; the rack comprises a base, stand columns and a cross beam; the lower ends of the stand columns are fixedly connected with the base; the upper ends of the stand columns are fixedly connected with the cross beam; and by means of vibration of a machine, classification, desliming and separation according to mass or particle diameter on materials are achieved.

The invention is a balancing bumper for camera, characterized in comprising a fastening seat supporting and carrying the camera, a link rodú¼a balance weight block and a handle, where the top end of the link rod is connected with the fastening seat, the bottom end of the link rod is actively connected with the balance weight block, the handle is connected with the fastening seat through cardan joint, the balance weight block is actively installed in a runner at the bottom of the link rod and can move forward and backward along the runner to balance the head of a camera on the fastening seat. The invention is easy to operate and can play the role in bumping; compared with the existing techniques, it can conveniently and effectively overcome and eliminate the problem of image quality so as to improve the shooting effect and reduce the losses and the shooting cost. Its structure is simple and convenient to carrying.

The invention discloses a hydraulic damping energy recovery device of an automobile. The hydraulic damping energy recovery device comprises a hydraulic cylinder (5), the hydraulic damping energy recovery device further comprises a hydraulic electric generator (6), and an oil port of the hydraulic cylinder (5) and an oil port of the hydraulic electric generator (6) are connected through oil pipes (9). The oil pipe (9) between a rod cavity oil port and an oil inlet is provided with a first check valve (1), the oil pipe (9) between an oil outlet and a rodless cavity oil port is provided with a second check valve (2), the oil pipe (9) between the rodless cavity oil port and the oil inlet is provided with a third check valve (3), and the oil pipe (9) between the oil outlet and the rod cavity oil port is provided with a fourth check valve (4). The mode that the hydraulic electric generator converts vibration energy into electric energy is used, the vibration energy is reasonably recycled, and energy waste is avoided. The invention further discloses the automobile including the hydraulic damping energy recovery device.

The invention relates to a dual-extrusion-rod bypass type magnetorheological damper mainly used for overload protection for a damping module in a heavy mechanical system. The damper comprises an end cover, a bolt, a shell, a piston, magnetic isolation gaskets, permanent magnets, isolation rings, magnetorheological fluid, an electromagnetic coil, a sealing ring and a piston rod. The shell is hollow, and an annular channel is formed in the periphery of the shell. Grooves are formed in the two sides of the annular channel. The permanent magnets are installed in the grooves and isolated from the body of the shell through the magnetic isolation gaskets. The piston is also provided with a groove, and the electromagnetic coil is installed in the groove. The end cover and the shell are connected through the bolt to from a sealed cavity filled with the magnetorheological fluid. The permanent magnets and the electromagnetic coil are isolated from the magnetorheological fluid through the isolation rings. The end cover is provided with a through hole. The inner wall of the through hole is provided with the sealing ring. The piston rod and the through hole form a sliding pair. The damper has the advantages that overload protection is achieved, the service life is long, reaction is rapid, and energy consumption is low.

The invention discloses a lithium battery drop resistance device. An acceleration sensor is arranged between an outer tank body and a lithium battery body, the acceleration of a moving lithium battery can be detected through the acceleration sensor, and thus whether the lithium battery is dropped off or not can be judged; furthermore a plurality of damping parts and buffer parts are arranged between the lithium battery and the outer tank body, and furthermore a control chip is configured, so that all electromagnetic valves are controlled to be opened by the control chip when the acceleration sensor detects that the lithium battery is dropped off, a compressed spring is popped out, honeycomb rubber is also popped out, then the lithium battery can be fixed among all pieces of honeycomb rubber and is prevented from being directly dropped onto the ground, and a damping function is achieved; and meanwhile, after the electromagnetic valve of a compressed air cylinder is opened, compressed air is fed into an airbag, the airbag is popped out, after the airbag is inflated, a buffer function is achieved, and thus the lithium battery can be further prevented from being damaged.

The present invention discloses a vibration-damping ship pipe clamp and support frame assembly comprising a pipe, a ship body board and a support frame. A pipe clamp is arranged outside the pipe, and connected to a top cylinder of the support frame by means of a T-shaped connecting piece. A base plate of the support frame is connected to the ship body board. When the pipe vibrates under collision, springs in the pipe clamp, springs in the top cylinder of the support frame and springs in a base of the support frame function in reducing displacements and stresses of the whole assembly in a vertical direction, a lateral direction and a longitudinal direction, thus reducing the vibration displacement of the whole pipe. The vibration-damping ship pipe clamp and support frame assembly is reasonable and simple in structure and low in production cost. Each spring used in the vibration-damping ship pipe clamp and support frame assembly is a cylindrical helical extension spring with centrally curled ring ends, and such a spring is very mature in manufacturing technology and also highly stable in quality.

The invention relates to a passive fluidic resistor suspension with an equivalent mechanical structure, and belongs to the technical field of engine supporting structures. The passive fluidic resistor suspension with the equivalent mechanical structure mainly comprises an external rubber mainspring, an upper connecting bolt connected with the external rubber mainspring, an external supporting spring, an upper fluid chamber, a lower fluid chamber, an inner gas chamber, an inner spring, a mass block and the like, wherein the inner spring and the mass block are arranged in the inner gas chamber. The upper fluid chamber which tightly abuts against the upper end face of a partition board between the upper fluid chamber and the lower fluid chamber, an external gas chamber and the inner gas chamber are arranged in sequence from outside to inside. The lower fluid chamber tightly abuts against the lower end face of the partition board between the upper fluid chamber and the lower fluid chamber. An inertia channel which enables the upper fluid chamber to be communicated with the lower fluid chamber is arranged in the partition board between the upper fluid chamber and the lower fluid chamber. According to the passive fluidic resistor suspension with the equivalent mechanical structure, the notch frequency of the fluidic resistor suspension is constant within a low frequency range, but the dynamic stiffness of the fluidic resistor suspension is reduced as far as possible within a notch frequency range; in addition, the dynamic stiffness of a corresponding peak frequency is reduced as far as possible, the noise lowering effect and the damping effect of the engine fluidic resistor suspension are improved within the low frequency range, and the fatigue performance and the creep property of the fluidic resistor suspension can also be improved.

The invention discloses a vibration damping and noise reducing mechanism for a motor rotor, which is suitable for small-power or micro-sensing motors. The mechanism comprises a rotor, a rotating shaft and vibration damping devices, wherein the rotor is fixed with the rotating shaft in a sleeve joint mode; the rotating shaft is pivoted on a bearing and one end of the rotating shaft passes through the bearing to form an output shaft; the vibration damping devices are respectively arranged between the rotor and the bearing symmetrically, and comprise a retainer ring and an elastic element; the retainer ring is sleeved on the rotating shaft; the elastic element is sleeved on the rotating shaft; one end of the elastic element is pressed against the retainer ring, and the other end of the elastic element is pressed against the end face of the bearing; and the retainer ring has stair-step structure and comprises a conflict part and a sleeve part, wherein the conflict part is resisted on the rotor, the sleeve part is sleeved on the elastic element. The vibration damping and noise reducing mechanism for the motor rotor can realize vibration damping in the radial direction, and can reduce noise generated by vibration.

The invention relates to a load weighting device for feeding materials, in particular to a microscale load weighting device for feeding materials of a weight-loss type microbalance. A weighting hopper is vertically mounted at one lateral side of a mounting lateral plate, a weighting sensor is arranged on a lateral wall of the back of the mounting lateral plate which is equipped with the weighting hopper, the bottom end of the weighting hopper is equipped with a discharge hole, the discharge hole extends to a groove of feeding materials which is arranged below the weighting hopper, and the tail portion of the groove of feeding material is equipped with an electromagnet. The invention is characterized in that a mounting clamp plate is disposed at the lateral side of the weighting hopper, the electromagnet is connected with the mounting lateral plate which is arranged on the weighting hopper, the wall side of the mounting lateral plate is equipped with a bending plate, and the mounting clamp plate is equipped with a vibration absorber. The load weighting device for feeding materials has the advantages of decreasing vibration, reducing the impact of the device of materials and feeding materials to the load weighting device, adding the accuracy of measuring, and then, can be completely used to weight feeding materials of graininess material, the weight of which is lower than 50 grams. Further, the load weighting device for feeding materials is accurate in weighting and fine in vibration isolation effect, and the load weighting sensor has little interruption.

The invention relates to the technical field of new energy vehicles, in particular to a vibration reduction structure of a heavy truck battery replacing battery box, which comprises a vehicle-mountedbottom support frame arranged on a heavy truck and a battery box frame arranged on the battery box, a buffer pad is paved on the upper surface of the vehicle-mounted bottom support frame, and the buffer pad is positioned at the position of a horizontal contact surface between the vehicle-mounted bottom support frame and the battery box frame; a lateral support column is arranged on the vehicle-mounted bottom support frame, an elastic body with certain elasticity is arranged on the side face of the side, close to the battery box frame, of the lateral support column, and the elastic body is located at the position of the vertical contact face between the lateral support column and the battery box frame. The buffer pad and the elastic body are arranged between the vehicle end bottom support and the battery box, so that the impact of the heavy truck on the battery box in the driving process can be well reduced, and the vibration reduction effect on the battery box is achieved.

The invention discloses a flexible spine quadruped bionic robot. The flexible spine quadruped bionic robot comprises a front body, a waist mechanism, a rear body, a leg mechanism and a side swing assembly. According to the flexible spine quadruped bionic robot, a parallel mechanism with the three degrees of freedom is adopted to connect the front body and the rear body, thus the whole robot is provided with a flexible spine, and the effects of energy storage, coordination and vibration reduction can be achieved in the traveling process; four legs of the whole bionic robot adopts configurationof front knuckle and rear keen joints, through the configuration mode, energy consumption can be greatly reduced, certain terrain adaptability is achieved, each leg of the robot has the three degreesof freedom, namely the two rotating degrees of freedom in the advancing direction and one rotating degree of freedom in the side swing direction. The flexible spine quadruped bionic robot can move ona complex pavement and is the novel quadruped bionic robot.

A space folding and extending mechanism with double cylinders as extensible units comprises an octagonal support base, three-degree-of-freedom hinges, bevel-edge rods, first gaskets, the first air-pressure cylinders, second gaskets and the second air-pressure cylinders. The octagonal support base is fixedly connected with the three-degree-of-freedom hinges, and the bevel-edge rods, the air-pressure cylinders and the gaskets are connected through revolute pairs. Under the conditions of vibration, collision and the like in the movement process of the mechanism, the gaskets can play a damping role, so that motion shock on the mechanism is low; the mechanism has a high structural symmetry so that different large-scale space folding and extending mechanism bodies can be formed by arranging theextensible units; the space folding and extending mechanism can be used in a space station, a communication satellite platform, a space telescope and other space missions, and has the advantages of being wide in application range and high in practicability.

The invention relates to a mounting shell, a manufacturing method and a mounting structure of a loudspeaker and a microphone. A loudspeaker shell is provided with a containing cavity used for containing a loudspeaker unit and a vocal port communicated with the containing cavity; the loudspeaker shell is further provided with a microphone mounting bracket; the loudspeaker shell further comprises a gum cover which is molded with the loudspeaker shell by means of double-shot injection molding; the gum cover comprises a vocal port gun cover which is molded with the vocal port side wall, and a microphone gum cover which is molded on the microphone mounting bracket; and the microphone gum cover and the microphone mounting bracket are further provided with a sound circulation channel of a microphone package structure. The mounting shell, the vocal port gum cover and the microphone gum cover of the invention are molded with the loudspeaker shell through a double-shot injection molding process, which can not only reduce the assembly process steps and improve the working efficiency, but can also avoid the scratching problems of a seal assembly by an external terminal shell in assembling, and improve the yield of the product.

The invention discloses an arm type torsional driving suspension frame which comprises a speed reducing motor, two torsion rod springs, two longitudinal arms, two blade vibration reducers and a frame.The two torsion rod springs are distributed on the two sides of the speed reducing motor. The two output ends of the speed reducing motor are connected with the ends of the two torsion rod springs. The other ends of the two torsion rod springs are fixedly connected with the two longitudinal arms. The two blade vibration reducers are arranged on the two torsion rod springs in a sleeving manner correspondingly. The two blade vibration reducers are fixedly connected with the two ends of the speed reducing motor correspondingly. The speed reducing motor is fixedly arranged on the frame. The outerends of the two torsion rod springs are connected with the two ends of the frame through bearings correspondingly. While the height of a vehicle body is adjusted in a driving manner, the suspension frame has a basic vibration reducing function, the trafficability characteristic under various terrains is achieved conveniently, and the obstacle crossing ability of a vehicle is improved greatly.

The invention discloses a design method of a tuned liquid damper based on a building fire fighting water tank. The method comprises the following steps: determining whether a fire water tank is suitable for being converted into a tuned liquid damper; When the fire water tank is suitable to be transformed into a tuned liquid damper, the difference of natural vibration period and frequency between the fire water tank and the building structure under the fire water tank is obtained. Formulate and adjust the scheme of setting up the spoiler net and water level in the fire water tank; Determine thedamping effect of fire water tank. As that disturb net is added in the fire water tank at the top of the high-rise building and the water level is controlled, both the function of the fire water tankand the TLD function can be realized, thereby playing a vibration damping role; It is not necessary to set a large number of small shallow water tanks as TLD, but to use the original fire water tankat the top of the building as TLD, which not only reduces the cost of vibration reduction but also does not affect the use of the building. Adding a spoiler net in the fire water tank does not affectthe quantity of water in the fire water tank of the building, but also can achieve the effect of vibration reduction by changing the sloshing frequency of the water.

The invention discloses an electricity meter mounting rack. The electricity meter mounting rack comprises a bottom plate, two vertical plates and a supporting mechanism are mounted on the bottom plate, the two vertical plates are symmetrically mounted at the two ends of the supporting mechanism, a supporting plate and a limiting mechanism are mounted on one vertical plate, a supporting frame is mounted on the supporting plate, the limiting mechanism is matched with the supporting plate, a vibration reduction mechanism and a locking mechanism are installed on the other vertical plate, the vibration reduction mechanism is matched with the supporting plate, and the locking mechanism is installed on one side of the other vertical plate and matched with the supporting plate. More electricity meters can be installed in a limited space, workers can manage the electricity meters conveniently, more space is saved, later meter reading and maintenance of the workers are facilitated, the device has a vibration reduction function, the electricity meters can be prevented from being damaged on objects with large vibration, the indication precision of the electricity meters is guaranteed, and theservice lives of the electricity meters are prolonged.

The invention discloses a full-stress type rubber spring foundation of a seat. The foundation is composed of a floor connection plate, a first external framework, a rubber vibration-absorption column, a pin shaft, a second external framework and a seat connection plate, wherein the seat connection plate is fixedly arranged at the lateral upper side of the second external framework and the second external framework is in a frame shape; the pin shaft is externally sleeved with the rubber vibration-absorption column and the upper and lower ends of the pin shaft are fixedly arranged on the second external framework; the ring-shaped first external framework is sleeved on the periphery of the rubber vibration-absorption column and the outer side of the first external framework is fixedly provided with the floor connection plate; the floor connection plate is connected with a vehicle floor and the seat connection plate is connected with the seat. According to the full-stress type rubber spring foundation of the seat, the rubber vibration-absorption column has the function of buffering under the condition that a driver suddenly tramples a brake or suddenly accelerates, so that a passenger can comfortably sit on the seat.

The invention discloses a bearing and a deep-well pump transmission shaft system provided with the bearing, and belongs to the technical field of bearing machines. The bearing comprises an outer shaft sleeve and an inner shaft sleeve, wherein the outer shaft sleeve is arranged on the outer side of the inner shaft sleeve; a plurality of spaced oil seeping annular grooves are axially formed in the outer peripheral wall of the outer shaft sleeve; clamping annular grooves used for connecting the outer shaft sleeve to the inner shaft sleeve are formed in the inner peripheral wall of the outer shaft sleeve; clamping convex blocks matched with the clamping annular grooves are arranged on the outer peripheral wall of the inner shaft sleeve; the outer shaft sleeve is used to be matched with an outer shaft pipe of the transmission shaft system; the inner shaft sleeve is used to be matched with a long shaft of the transmission shaft system; a first plug-in mounting oblique surface is arranged in a position of one end, corresponding to the outer peripheral wall of the outer shaft sleeve, of the outer shaft sleeve; second plug-in mounting oblique surfaces are arranged in he positions of the two ends, corresponding to the inner peripheral wall of the inner shaft sleeve, of the inner shaft sleeve; and oil seeping notches are formed in the positions of the two ends, corresponding to the end faces of the outer shaft sleeve, of the outer shaft sleeve. The bearing and the deep-well pump transmission shaft system can effectively exert a vibration reduction function; a high temperature situation caused by insufficient lubrication of the transmission shaft system is avoided; and the safety performance is improved accordingly.

The invention discloses a folding and unfolding mechanism with two slider and spring combined and restricted telescopic rods. The folding and unfolding mechanism comprises an octagonal support, three-degree-of-freedom hinges and foldable units, wherein the octagonal support is fixedly connected with the three-degree-of-freedom hinges; the foldable unit comprises an inclined side rod, a first gasket, two slider and spring combined and restricted telescopic rods and a second gasket; the octagonal support is connected with the foldable units through the three-degree-of-freedom hinges; and the inclined side rod, the slider and spring combined and restricted telescopic rods and the gaskets are connected through revolute pairs. Through folding twice, the space folding of the mechanism can be realized, and the folding ratio is large; and moreover, the mechanism has the characteristics of light weight, high precision, high rigidity and high strength, can be applied to the fields of space exploration, earth observation and mobile communication, and is extremely high in adaptability and practicability.

The invention discloses a cleaning device for a stuffed toy. The cleaning device structurally comprises a top cover, a handle, a water inlet pipe, supporting legs, moving wheels and a cleaning main machine. The upper surface of the top cover is welded to the lower surface of the handle, and the top cover is installed at the upper end of the cleaning main machine. The right end of the water inlet pipe is installed on the left side of the inner portion of the cleaning main machine in an embedded mode. The rotation of the stuffed toy on a placing plate is further carried out, the rotation of a driving gear drives a linkage gear to rotate to enable a rotating rod to rotate, a stirring rod carries out all-around cleaning on the stuffed toy, and the cleaning effect is better. A screw rod meshingwith a sawtooth disc starts to rotate, the rotation of the screw rod enables a blower fan to work in a rotating mode, wind energy is sucked from an inlet pipe and is blown out from a wind blowing outlet, and the stuffed toy is dried by being blown to enable the cleanliness of the stuffed toy to be higher. A fixed sliding plate moves left to drive a feeler lever to open an electric box switch, sothat a dryer works, and the stuffed toy is dried, so that bacteria of the stuffed toy are reduced.

The invention discloses a damping multi-rotation hammer crusher. The damping multi-rotation hammer crusher comprises upper and lower bearing boxes, driving and driven transmission shafts, driving and driven gears, a bearing base through cover and a bearing base seal cover and is characterized in that a crusher cylinder is a cylindrical shell, the upper part and the lower part of the crusher cylinder are respectively provided with the bearing boxes, the upper and lower bearing boxes are respectively connected to the bearing base through cover and the bearing base seal cover, upper and lower tapered roller bearings are respectively arranged in the upper and lower bearing boxes, the driving and driven transmission shafts go through the bearing base through cover, the middles of the driving and driven transmission shafts are arranged in the crusher cylinder, the bottoms of the driving and driven transmission shafts are connected to the bearing base seal cover, the driving and driven transmission shafts are respectively provided with grit beating hammers, the grit beating hammers are connected to the transmission shafts by splines, a wear-resistant bushing is installed in the crusher cylinder, the wear-resistant bushing is a cylinder composed of two semicircular arc plates, and a wear-resistant bushing butt-seam damping sealing gasket is arranged in the gap between the two semicircular arc plates of the wear-resistant bushing. The damping multi-rotation hammer crusher has the characteristics work efficiency improvement, energy consumption reduction, damping and noise reduction.

The invention discloses an oil-immersed power transformer that is easy to install and avoids oil leakage. The oil-immersed power transformer includes a fixed base, a pressure pump, a second oil storage tank, and a second oil pipeline. The fixed base is in threaded connection with an I-shaped fixing member by bolts. The bolts penetrate the I-shaped fixing member and a rubber shock pad to be in threaded connection with a transformer casing. The transformer casing is provided therein with a first oil tank housing. A cooling fan passes through the right side of the transformer housing. The pressure pump is disposed in a water tank. A fixing plate is in threaded connection with the upper left side of the transformer casing by bolts. A photovoltaic panel is fixed to the upper side of a support frame. The water tank is disposed on the front side of the second oil storage tank. The oil-immersed power transformer that is easy to install and avoids oil leakage is provided with the bolts, the I-shaped fixing member and the rubber shock pad. The I-shaped fixing member are detachably installed on the fixed base and the transformer casing by the bolts, so as to facilitate the later installationof the transformer casing.

The invention belongs to the field of functional polymer materials, and especially relates to a thermal-insulation damping coating used for buildings, and a preparation method thereof. According to the preparation method, cross-linked polymer microspheres with a porous structure and titanium silicate compound microspheres with radiation functions are added into a silicone acrylic emulsion polymer as additives so as to obtain the building interior and exterior wall coating with thermal insulation and damping functions. The material heat conduction coefficient is reduced effectively under the synergistic effect of the inorganic titanium silicate compound microspheres and the organic polymer microspheres, via effective utilization of thermal radiation functions and light scattering effect, under the effect of the large amount of nano-scale or micron-scale pores of the above two functional additives. In addition, the glass-transition temperature of the silicone acrylic emulsion polymer matrix is relatively low, and the silicone acrylic emulsion polymer matrix also possesses a certain degree of noise absorption damping performance. The preparation method is simple and convenient; cost is low; thermal insulation effect is excellent; damping performance is achieved; and requirements of buildings and home decoration are satisfied.

The invention provides a rotary drilling rig power head buffering device. An upper pressing disc with a bottom flange, a sleeve which is in sliding connection with the bottom flange, and a guide rod guiding the upper pressing disc to slide up and down are included. The sleeve is a hollow structure with an annular cavity. The annular cavity is rotationally connected with levers swinging up and down. The multiple levers are included and evenly distributed in the circumferential direction of the sleeve. The levers extend out of the annular cavity, and supporting ends are formed. The sleeve is provided with through holes for the levers to stretch out. The supporting ends abut against the bottom flange. The ends, in the annular cavity, of the levers are connected with shock absorbers. The shockabsorbers are fixed in the annular cavity, and the shock absorbers are sleeved with spiral springs. The faces, which are in sliding connection with the bottom flange, of the sleeve are provided withlimiting keys, the positions, corresponding to the limiting keys, of the bottom flange are provided with limiting grooves, a good work environment can be provided for the springs, and accordingly theservice life of the whole buffering device is prolonged.

The invention discloses an adjustable water resource sample sampling device and relates to the related field of water resource detection. The device comprises a sample collection pipe mounted in a waterproof box and a handle connected with one side of the waterproof box, wherein a sampling opening is formed in one end of the sample collection pipe, and a water pumping sliding plate is slidably connected into the sample collection pipe; the water pumping sliding plate is connected with the sampling mechanism through a pull rope, the sampling mechanism comprises a rotating connecting rod, a spring connecting rod, a spring, a driven gear, a gear connecting rod, a first hub, a first hub connecting rod and a balancing weight, and the first hub is located in the middle of the end, close to the handle, of the sample collecting pipe and rotationally connected with the sample collecting pipe through the first hub connecting rod; a wire outlet end of the first hub is connected with a balancing weight installed on the water pumping sliding plate through a pull rope, and a wire inlet end of the first hub is connected with the periphery of the polished rod of the driven gear through a pull rope. Different from a traditional water sample collection mode, sustainable development of resources can be facilitated under the condition of saving electric energy expenditure while manpower is liberated.

The invention discloses a buffer damping noise-reduction pulverizer. The buffer damping noise-reduction pulverizer relates to the technical field of ore crushing machinery. The buffer damping noise-reduction pulverizer is characterized in that a pulverizer cylindrical shell is a columniform cylinder, the upper part of the pulverizer cylindrical shell is provided with an upper bearing box, the lower part of the pulverizer cylindrical shell is provided with a lower bearing box, the upper bearing box is connected to a bearing base ventilation cover, the lower bearing box is connected to a bearing base seal cover, an upper tapered roller bearing is installed in the upper and lower bearing boxes, a driving transmission shaft and a driven transmission shaft respectively are transmission shafts of a driving gear and a driven gear, the driving transmission shaft and the driven transmission shaft go through the bearing base ventilation cover, middles of the driving transmission shaft and the driven transmission shaft are arranged in the pulverizer cylindrical shell, the bottoms of the driving transmission shaft and the driven transmission shaft are connected to the bearing base seal cover, the driving transmission shaft and the driven transmission shaft are installed in the middle of the pulverizer cylindrical shell and are respectively provided with sanding vane plates, each one of the top and the bottom of the pulverizer cylindrical shell is provided with a raised wear-resistant end plate, and the raised wear-resistant end plate is an assembly which has a Chinese character Tu-shaped cross section and is composed of large cylinders and small cylinders with different diameters. The buffer damping noise-reduction pulverizer has the characteristics of high work efficiency, low energy consumption, damping and noise reduction.

The invention is aimed at providing a damping driving wheel. Wheel teeth can be conveniently replaced, and the vibration of the driving wheel can be controlled. The damping driving wheel comprises anouter wheel hub, a middle frame, an inner wheel, the wheel teeth, a damping pipe, a U-shaped connector and a quick-detach connecting rod. A circumferential groove is formed in the outer ring arc-shaped surface of the outer wheel hub. A middle frame circular positioning groove is formed in the inner ring arc-shaped surface of the outer wheel hub and used for positioning and installing the middle frame. Protruding teeth are arranged on the outer ring arc-shaped surface of the inner wheel at equal intervals and correspond to a pipe base on the middle frame in position. Each wheel tooth is composed of a wheel tooth body and a wheel tooth base. The inner wheel, the outer wheel and the middle frame are fixed into a whole through the U-shaped connector and the quick-detach connecting rod. By means of the driving wheel, the stable and safe working of a whole crawler working system can be ensured, and the driving wheel is particularly suitable for a medium-large-sized crawler type bulldozer.

The invention provides a rock wall slope drilling device which comprises a crane or a hoist, a truss, a beam frame pitching mechanism, a beam frame, a rock drilling machine, a rock drilling machine stepping mechanism and a frame beam stabilizing seat. The rock drilling machine makes reciprocating movement on the beam frame, the frame beam stabilizing seat is fixed to the top end of the beam frame,and a drill rod penetrates through the upper portion of the frame beam stabilizing seat. The crane, a crane boom, the beam frame and the frame beam stabilizing seat form the stable structure by taking the ground and the rock wall as supporting points; the rock drilling machine moves forwards and backwards on a rock drilling machine base track; rubber supporting feet of the frame beam stabilizingseat are multi-point supporting feet, after the multi-point supporting feet jack rock, due to the fact that force applied to each point is different, springs in point-shaped supporting foot sleeves generate different elastic deformation, thus the effects that the supporting feet are closely attached to the surface of the rock to obtain higher adhesion force, and contact stability is improved are achieved, and meanwhile, the vibration reduction effect is also achieved; and the problem that the rock slope with large fall cannot adopt mechanical drilling is solved.

The invention discloses a battery installation structure and a power supply equipment, which belongs to the car manufacturing. The battery installation structure as mentioned includes the first mounting plate; by stamping technology, several first lug bosses which are provided with mounting holes forms on the first mounting plate, and the battery is installed on the first lug boss through the mounting holes. The power supply equipment as mentioned includes the battery and its installation structure. The battery is installed in the battery installation structure. By designing a battery installation structure, this invention which is used in the battery installation solves the problems that the battery mounting plate is likely to crack and the heat dissipation of battery is worse, enhances the rigidity and strength of the battery installation structure and is beneficial for the battery heat dissipation which can reduce some potential safety hazards.